James mcnamaea



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JAMES McNA MARA, OF BUFFALO, ASSIGNOR TO HIMSELF AND. O. D. PAGE,

i OF ROCHESTER, NEW YORK.

IMPROVED MACHINE I'Od DRESSING BRICK.

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TO ALL WIIOM IT MAY CONOER:

Be it known that I, JAMES McNAMARinof thc city ot" Butlalo, inthe countyof Erie, and State of New York, have invented a certain new and improved Machine for Dressing Brick; and I do hereby declare that the following is alf'ull and exact description thereof', reference being had to the acdotnpanying drawings, makingl partof this specification, in whichi Figure 1 is a side elevation.

Figure 2 is an end elevation.

Figure 3, a fragmentary view, showing a plan of lever-J.

Like letters. of reference designate corresponding'parts in all theiigures.

The nature of my invention consists in subjecting the unfinished brick toa pressure lfrom all sides, by mea-ns of the platens or plates, arranged and operated as hereafter specifiedgand also, in connection therewith, the peculiar device by which the endless carrier for the brick is automatically stopped, whenk the briclrvh'as arrived at the proper position= and released again by the machincryduring the operation of dressing the brick.

In the drawings, A A represent a frame of any suitable construction, in the ends ot' whichV is mounted au endless belt, B, having plates a a secured to it at regular intervals, upon which the bricksvare placed. I I are standards, secured to the top ofthe frame, and connected at their top, forming Va. framennd guide for the dressing-mechanism. C is a post, to the top of which is joined the end of a lever, D, at the centre ot'i which is connected, in a similar manner, the end of a vertical piston-rod, E. To the front side ofthe machine are jointed the-ends of a bent lever, F, as shown, with a rod, d, connecting it and the end of the lever` D, by which the piston is actuated. To the lower vend of the rod E is attached la sliding frame, G, consisting of a horizontal plate, c, cast with or attached to the edge of' cross-plates d CZ, the ends of which extend downward, so as tol have secured thereto thc square or'rectangular sleeveII, which surrounds and slides up and down the guides or standards I. Below the plate c is a horizon secured to the former b y screw-boltsff, s'o as to he adjusted higher or lower, as may bc required. On opposite sides are hinged, vat their top, two-similar plates, g g, the pins or gudgeons resting in the lower end `of bearings t z, consisting of straps or bars fastened at their upper end to the inner side of the' standards I, by a-belt fitting in a slot, by which they may be adjusted vertically, if`required. These plates, which are forpressing the edges of the brick, have attached to their lower edges spiral springs j, which are secured to the ends of arm c from the top of thc frainc; or the arms may consist of a spring, and a rod be used in place of the spring j, for the purpose of keeping the plates swung up out of the way, excect when forced down in pressing the brick.

The inner side of theslecve H has attached to it plates or bars,`Z, which, pressing on the outer surface of lthe plates g, force them downcoinprcssling -thc brick between them. 'The ends of the brick are dressed by the'hook from the arm 1 or winch at the opposite end. A spring, Shown, with the central portion curved or inclined outward, so th means of corresponding plates m m, which hang pendent from rods n n, fastened to the top of-the frame, Aas shown. These plates are forced inward by means of projections or bars o attached to I-I, similar to Z, and are kept drawn out, except as just stated, by spiral springs, p, extending from the rods n to the standard I.

The axis of the driving-wheels or rollers of the endless belt extends beyond the-frame, where it is provided with a. crunk or winch, g, for operatingit.

In operating the machine it is necessary that the brick under the piston or dressing-frame, andthcre retained. 'l in the following manner: TheV winch q entends beyondv t arm, 7', To thc topvot' frame A is pivoted, at or near i having a lug orhook, s,-to engage with arin r, I

to be dressedbe carried to a certain point directly his required stopping of the carrier is accomplished he axis, on the opposite side thereof, and lforms an ts centre, so as to swing horizontally, a lever, J, er winch at one end, andthe other, @,extending to the end of the sleeve, so that a wedge-t, in forcing the sleeve down, will press that end of the lever I outward, disengaging this attached to the side of the frame, as at the winch in' turning'will strike the said' tal plate or platen, w, for pressing the top of. the brick, whichis incline and eause'tbeV upper end. of the springyby pressingagainst the end, v, of' lever J,to swing the opposite end out, 'so that the hook s will arrest alternately the'arm r and winch, as thelatter is turned in the direction of the arrow, stopping the motion of the belt and the undressed brick at the proper place 7for being flressefl.

y The process of dressing is accomplished by bringing down the end oi' the bent lever F, which, forcing downV the frame G and its attachments,.eauses-the plates or platone g y, m m, and-w to press the brick conined within, on all sides, giving it ahard and finely-finished surface.' The leyer F being raised, tbe'- parts are sustained in that elevated position by the springs j attached toftbelowe'r edgesof plates g g. The winchA is now given onehalf a turn around, when its arm fr or wineh itself, engaging with ibook s, again stops the carrier, the dressed briclrhavng' been carried to one end of the machine, while kanotherundressed one has'taken its proper place under the dresselu The foregoing operation is then repeated, the arma and winch q being alternately arrested and released,

f v by the wedge turning thelever J in the one position, and the springer pressed in by thewineh turning it in the other, as shown in iig. 3,

.In pressing the brick, the plate t rests on a cross-piece, K, of the frame, which forms a irm support. l The platesmay beprorided with spurs or points a: 1 to retain the brick in place thereon, and prevent their` slipping when the carrier is stopperhas before described.A Y y It is evident that various` devices, maybe, employed.' for-operating the lever D,`wl1icl1 may bc operated directly without the use ot" tbe'auxiliary leverF.A The construction ofl the frame G, its attachments, and co-operativeparts, may be considerably varied, and still the' principle of the invention Yremain the same.

Thgreat advantage of my improvementsis the mannerof lressing, by subjecting thevbri/ck to pressure simultaneously ou all sides, whereby it is made more dense andiclurable, instead of dressing itby-cuttng'olf the inequalities, as in the ordinary methols. s

' The 4automatic manner of .alternately arresting and 'releasing the carrier regularly at the proper time, as -before deseribed,'greatly adds tothe eceney oi' lt'heinaehine and the' facility witlrwhiehit is, operated.

What l claim, i's-Ifl v1. Alternately arresting and releasing tlieendles's carrier by means ot'. the lerer J, winch, and arm q'r, spring u, and wedge t, arranged and operating substantially as 'set forth.

2. I elaimwthe hinged plates g g and springs jj, iu combination with a vcrtcallysliding trarne for operating them, substantially in the manner an` for the purpose specified.

3. I cl im, in eombin'ation' therewith, the end-plates m mfrocls n n, and springs pp, arrangedI and operating I substantially as and for the purpose set forth.

4.1 claim thevcombinatio'n of the plates or plutens-g g, mm, and w, for dressing brick by simultaneously pressing it on allsmes, when operated substantially in the manner specified.

I 5. I'claim the machine, as a whole, constructed, arranged, and operating substantially' as described. v v In witness whereof, I have hereunto signed my name in the presence of two.subsc1ibing witnesses.

' JAMES M-cNAMARA.

Witnesses:

JAY HYATT, ALBERT HAIGHT. 

